METHYLARACHIDIC ACID
18-Methyleicosanoic Acid
METHYLARACHIDIC ACID is listed in the EU CosIng inventory, but no direct annex records are linked on this page yet.
Regulatory evidence by market
No rule for this ingredient has been imported for any of the 13 markets tracked here.
That describes this inventory, not the law. No imported rule is not evidence that an ingredient is permitted: a rule may exist under another name or identifier, or in a dataset not yet imported here.
Exact external identity check
matchedOne PubChem compound was retained because the exact CosIng name appears among its reported synonyms.
- PubChem title
- 18-Methyleicosanoic acid
- IUPAC name
- 18-methylicosanoic acid
- Molecular formula
- C21H42O2
- Molecular weight
- 326.6 g/mol
- InChIKey
- WSRCOZWDQPJAQT-UHFFFAOYSA-N
18-methylicosanoic acid is a methyl-branched fatty acid that is arachidic acid substituted by a methyl group at position 18. It has a role as a mammalian metabolite. It is a long-chain fatty acid, a branched-chain saturated fatty acid and a methyl-branched fatty acid. It is functionally related to an icosanoic acid.
Open exact PubChem recordExact CosIng INCI name equals a PubChem synonym · Checked 2026-08-31
Inventory details for METHYLARACHIDIC ACID
INCI name
METHYLARACHIDIC ACID
Description
18-Methyleicosanoic Acid
Record provenance
- Inventory reference
- 86578
- Imported identity
- METHYLARACHIDIC ACID
- Source update
- 15/10/2010
Annex records for METHYLARACHIDIC ACID
Key data
The CosIng inventory records no CAS number for this ingredient. That is the absence of an identifier in the source, not a finding about the substance.
- HAIR CONDITIONING
- Enhancing the appearance and feel of hair. Leaving the hair easy to comb, supple, soft and shiny and/or imparting volume, lightness, gloss, texture, etc.
Official EU ingredient-name evidence
The ingredient name exactly matches the official 2025 EU glossary of common ingredient names.
Related inventory evidence
Ingredients with overlapping formulation functions
Additional official and scientific sources
11 external databases to check this identity in
Each link searches that source for this identity. What each source is, and its legal weight
How METHYLARACHIDIC ACID appears in the CosIng inventory
The CosIng inventory lists METHYLARACHIDIC ACID as a cosmetic ingredient and this page links it to 0 annex records. The inventory entry captures names and identifiers, while the annex records show where the substance is prohibited, restricted or positively listed in EU cosmetics law.
METHYLARACHIDIC ACID is also tagged with 1 cosmetic function in the official data. Function labels describe intended use, but they do not replace regulatory review of linked annex records before formulation or labelling work.
Frequently asked questions
Source note for METHYLARACHIDIC ACID
This page reproduces the CosIng inventory entry for METHYLARACHIDIC ACID from public European Commission cosmetic ingredient materials and shows linked identifiers even when no direct annex match is currently attached.
Use this inventory page to research METHYLARACHIDIC ACID and compare linked records, but verify restrictions and legal status against the current official source text and law before making regulatory decisions.
Tools & next steps
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